WIO Black Venom Boulder 2kg
| Availability: | In stock (1) |
| Delivery time: | 3-5 working days |
WIO Black Venom Nano Boulders are gorgeous dark grey rounded stones that become shiny jet black when wet. These look brilliant when used with WIO Black Venom Gravel or white sand. May ever so slightly raises the pH level of aquarium water. Boulder sizes up to 10cm.